Atoms & Isotopes (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
12 cards from this deck
Isotopes
Isotopes
Atoms of same element with different numbers of neutrons
What's identical in all isotopes of an element
What's identical in all isotopes of an element
Number of protons
What differs in isotopes of same element
What differs in isotopes of same element
Number of neutrons
Mass of a proton
Mass of a proton
Mass of a neutron
Mass of a neutron
Mass of an electron
Mass of an electron
(negligible)
Charge of a neutral atom
Charge of a neutral atom
Why a normal atom is neutral
Why a normal atom is neutral
Equal numbers of protons and electrons
How positive ions form
How positive ions form
Atoms lose electrons
How negative ions form
How negative ions form
Atoms gain electrons
Why positive ions have a positive charge
Why positive ions have a positive charge
More protons than electrons
Why negative ions have a negative charge
Why negative ions have a negative charge
More electrons than protons